Skyworks: announced a significant expansion of its SKY535xx family of clock fanout buffers with nine new devices that extend the family’s capabilities across a wider range of data center, wireless network, and PCIe Gen 7 applications.

Skyworks announced a significant expansion of its SKY535xx family of clock fanout buffers with nine new devices that extend the family's capabilities across a wider range of data center, wireless network, and PCIe Gen 7 applications. The new SKY535x2/x3 devices include an I2C interface, enabling differentiated features that include dual 1:n buffer mode, individual output enable control, and additional selectable output format options that include 800mV LVDS and HCSL with programmable swing.

The expanded SKY535xx family offers scalable, low-jitter clock buffer solutions that simplify design and enhance signal integrity across diverse platforms, from cost-optimized designs to high-performance applications.

Expanded Product Portfolio

The new additions to the SKY535xx family include:

• SKY53511, a low power, DC to 250MHz ultra-low additive jitter (50fs RMS) clock fanout buffer featuring dual any-format inputs and 10 or 20 LVCMOS outputs.
• SKY53581, a low power, DC to 250MHz ultra-low additive jitter (50fs RMS) clock fanout buffer featuring dual any-format inputs and 8 or 16 LVCMOS outputs.
• SKY53541, a low power, DC to 250MHz ultra-low additive jitter (50fs RMS) clock fanout buffer featuring dual any-format inputs 4 or 8 LVCMOS outputs.
• SKY53512 (10 outputs), SKY53582 (8 outputs), and SKY53542 (4 outputs) are low power, DC to 800MHz ultra-low additive jitter (37fs RMS 12kHz-20MHz) clock fanout buffers featuring dual any-format inputs and 10 HCSL outputs. The devices feature an I2C interface for in-system programming, can be operated in a dual 1:n configuration, include individual output enable, and are PCIe Gen1/2/3/4/5/6/7 compliant (3fs RMS PCIe Gen7).
• SKY53513 (10 differential outputs or 20 LVCMOS outputs), SKY53583 (8 differential outputs or 16 LVCMOS outputs), and SKY53543 (4 differential outputs or 8 LVCMOS outputs), are low power, DC to 3.1GHz ultra-low additive jitter (35fs RMS 12kHz-20MHz) clock fanout buffers featuring dual any-format inputs. The devices feature an I2C interface for in-system programming, can be operated in a dual 1:n configuration, include individual output enable, and are PCIe Gen1/2/3/4/5/6/7 compliant (3fs RMS PCIe Gen7).

Key Features

The devices are ideally suited for pairing with Skyworks' Si551x Network Synchronizers, SKY63104/5/6 family of Jitter Attenuating Clocks and SKY62101 Ultra-Low Jitter Clock Generators to deliver complete clock tree solutions that meet the demanding requirements of next-generation 6G wireless infrastructure, 800G/1600G networking infrastructure, and AI data center applications that utilize 112G/224 PAM4 SerDes technology.

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